<h>请输入筛选条件</h>
<form action="/search" method="post">
    <p>面积         <input type="number" name="area_min"> - <input type="number" name="area_max"></p>
    <p>每平米价格   <input type="number" name="price_min"> - <input type="number" name="price_max"></p>
    <p><button type="submit">搜索</button></p>
</form>